Results 41 to 50 of about 105,174 (214)

Analysis and Design of a Metamaterial Lens Antenna Using the Theory of Characteristic Modes

open access: yesInternational Journal of Antennas and Propagation, 2018
A new single-layer metamaterial lens antenna aimed to operate at 10 GHz is proposed in this paper. The lens antenna consists of twelve capacitively coupled unit cells distributed along a ring and illuminated by an open-ended circular waveguide with a ...
Daniel Santillán-Haro   +3 more
doaj   +1 more source

İslam Mimarîsinde Mezhep Etkisi: Fas Câmileri Örneği

open access: yesİstem, 2019
İslamiyet’in yaygın olduğu coğrafyaya bakıldığında mimarînin bölgelere göre farklı özellikler gösterdiği görülür. Çünkü bir mimarî eser bulunduğu yerin coğrafî ve iklim özellikleri, tarihçesi, eseri inşa eden toplumun inanç kaideleri, kültürü, gelenek ve
Aziz Doğanay, Sümeyra Ocak
doaj   +1 more source

Carbonaceous molecules in the oxygen-rich circumstellar environment of binary post-AGB stars: C_{60} fullerenes and polycyclic aromatic hydrocarbons

open access: yes, 2011
Context. The circumstellar environment of evolved stars is generally rich in molecular gas and dust. Typically, the entire environment is either oxygen-rich or carbon-rich, depending on the evolution of the central star. Aims.
Bakker   +90 more
core   +1 more source

Physical properties of fullerene-containing Galactic planetary nebulae [PDF]

open access: yes, 2013
We searched the Spitzer Space Telescope data archive for Galactic planetary nebulae (PNe), which show the characteristic 17.4 and 18.9 µm features due to C60, also known as buckminsterfullerene. Out of 338 objects with Spitzer/Infrared Spectrograph data,
Acker   +78 more
core   +2 more sources

Lower Urinary Tract Symptoms and Cognitive Impairment Among Participants in the REGARDS Cohort Study

open access: yesJournal of the American Geriatrics Society, EarlyView.
ABSTRACT Background To understand cross‐sectional associations between lower urinary tract symptoms (LUTS) and specific cognitive domains, we examined cognitive performance in older adults with and without LUTS. Methods The study comprised a subset of Black and White participants, aged 45 and older, enrolled in the REasons for Geographic and Racial ...
Alayne D. Markland   +7 more
wiley   +1 more source

Hurufat Defterlerine Göre Tunus’ta Dini ve Sosyal Yapılar

open access: yesGaziantep Üniversitesi Sosyal Bilimler Dergisi, 2021
Tunus, günümüzde Kuzey Afrika’nın en küçük ülkesi olup, batıda Cezayir, güneydoğuda Libya, kuzeyde ve doğuda Akdeniz kıyıları ile çevrilidir. Tunus, Kanuni Sultan Süleyman dönemine 1534 yılında Osmanlı topraklarına katılmıştır.
Hanife Alaca
doaj   +1 more source

Formation of fullerenes in H-containing Planetary Nebulae

open access: yes, 2010
Hydrogen depleted environments are considered an essential requirement for the formation of fullerenes. The recent detection of C60 and C70 fullerenes in what was interpreted as the hydrogen-poor inner region of a post-final helium shell flash Planetary ...
Cherchneff   +24 more
core   +1 more source

Tudor England and Stewart Scotland Through Spanish Eyes: A Complete Transcription and Translation of Pedro de Ayala's Letter of 1498 to King Ferdinand of Castile and Queen Isabella of Aragon

open access: yesRenaissance Studies, EarlyView.
Abstract Pedro de Ayala served as a diplomat for King Ferdinand II of Aragon and Queen Isabella I of Castile at the courts of Henry VII, King of England, and James IV, King of Scots. In July 1498, he wrote a letter, partly in cipher, to report to his king and queen on such matters as Spain's interests in international diplomacy; the characters and ...
Adrian William Jaime   +2 more
wiley   +1 more source

Şişlideki cami hakkında [PDF]

open access: yes, 1949
Taha Toros Arşivi, Dosya No: 102-Camilerİstanbul Kalkınma Ajansı (TR10/14/YEN/0033) İstanbul Development Agency (TR10/14/YEN ...
Gövsa, İbrahim Alaettin
core  

Synthesis, biological evaluation, and SAR studies of 14β-phenylacetyl substituted 17-cyclopropylmethyl-7, 8-dihydronoroxymorphinones derivatives : Ligands with mixed NOP and opioid receptor profile [PDF]

open access: yes, 2018
© 2018 Kumar, Polgar, Cami-Kobeci, Thomas, Khroyan, Toll and Husbands.A series of 14β-acyl substituted 17-cyclopropylmethyl-7,8-dihydronoroxymorphinone compounds has been synthesized and evaluated for affinity and efficacy for mu (MOP), kappa (KOP), and ...
Cami-Kobeci   +47 more
core   +4 more sources

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